| Argyrios Kyrtzidis | 72664df | 2010-09-19 21:21:25 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -Wunused-label -verify %s |
| 2 | |
| 3 | void f() { |
| 4 | a: |
| 5 | goto a; |
| 6 | b: // expected-warning{{unused}} |
| Chris Lattner | cab02a6 | 2011-02-17 20:34:02 +0000 | [diff] [blame] | 7 | c: __attribute__((unused)); |
| 8 | d: __attribute__((noreturn)); // expected-warning {{'noreturn' attribute only applies to functions}} |
| Argyrios Kyrtzidis | 9f48354 | 2010-09-28 14:54:07 +0000 | [diff] [blame] | 9 | goto d; |
| Argyrios Kyrtzidis | 72664df | 2010-09-19 21:21:25 +0000 | [diff] [blame] | 10 | return; |
| 11 | } |
| Richard Smith | a3e01cf | 2013-11-15 22:45:29 +0000 | [diff] [blame] | 12 | |
| 13 | void PR8455() { |
| 14 | L: __attribute__((unused)) return; // ok, no semicolon required |
| 15 | } |